qb

(sports) Abbreviation of quarterback. [(American football, Canadian football) An offensive back whose primary job is to pass the ball in a play.]

(computing) Abbreviation of QuickBASIC.

(computing) Abbreviation of quettabyte. [(computing) One nonillion (10³⁰) bytes. SI symbol: QB.]

(computing) Abbreviation of quebibyte. [(computing) Strictly, 2¹⁰⁰ (1024¹⁰, 1,267,650,600,228,229,401,496,703,205,376) bytes or 2¹⁰ (1024) robibytes, as opposed to a quettabyte.]

(law) Initialism of Queen's Bench Division (a subseries of Incorporated Council of Law Reporting's Law Reports, in case the monarch is female).